环状(结构)化合物

This is the VOA Special English Development Report. Right now, the top story in AIDS research involves newly announced findings about adult male circumcision. Two studies in Africa found that circumci

发表于:2018-11-27 / 阅读(392) / 评论(0) 分类 2006年慢速英语(十二)月

Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus

发表于:2018-12-02 / 阅读(106) / 评论(0) 分类 Scientific American(十二)月

发表于:2018-12-13 / 阅读(162) / 评论(0) 分类 Wee Sing For Christmas

1. Parts of North Carolina all the way up to Massachusetts have been rattled by an earthquake. The 5.9-magnitude quake was centered in Virginia and has caused minor damage and some injuries. 2. Hundreds of Libyan rebels have stormed one of Muammar Ga

发表于:2018-12-15 / 阅读(156) / 评论(0) 分类 美联社新闻一分钟2011(八月)

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(117) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(三)月

Ever wondered why mosquito eat some people up but leave others relatively unscathed. a new study find this prefential treament due to smells produced by the microscopic critters that cover our bodies. the reaserch is in the journal public library sci

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Take a deep breath. Taste anything? Actually, your lungs may, because scientists have discovered that the same receptors that exist on the tongue to tast

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(十)月

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 优美儿童英语歌曲

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(三)月

发表于:2019-01-10 / 阅读(214) / 评论(0) 分类 Wee Sing Around the World

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-01-18 / 阅读(82) / 评论(0) 分类 英语单词大师-Word Master

歌词如下: Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.

发表于:2019-01-28 / 阅读(125) / 评论(0) 分类 英语儿歌274首

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-02-14 / 阅读(84) / 评论(0) 分类 英语单词大师-Word Master

进行英语面试时,面试官会问到,你为什么觉得你胜任这项工作。那么你的回答就要让面试官相信你能把这份工作做好。本文列出了一些常见的问题和回答,仅供参考。 I (Interviewer 面试者) A

发表于:2019-02-18 / 阅读(153) / 评论(0) 分类 实用英语

Hey Don, do you like asparagus? Yep, I love it Yael, can't get enough. But don't you notice there's a certain problem after you've eaten it? Problem? Yeah, everybody knows that eating asparagus can cause a rather unpleasant smell in your urine. I did

发表于:2019-02-23 / 阅读(81) / 评论(0) 分类 英语时差8,16

But thats what comes out after we eat asparagus, which is not necessarily the same was what went in. Our digestive systems do some pretty complex chemistry, you know. Plus, the act of cooking the asparagus probably changes the chemistry around a bit,

发表于:2019-02-23 / 阅读(111) / 评论(0) 分类 英语时差8,16

Why is my verse so barren of new pride, 为什么我的诗缺乏点晴之笔, So far from variation or quick change? 行文沉闷呆板,千篇一律? Why with the time do I not glance aside 为什么我的诗不顺应时尚, To new-found meth

发表于:2019-02-24 / 阅读(182) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
accustomed
adjustable dog
AMIChemE, A.M.I. Chem.E.
arc deviation
BACH motif
balousha
behabitives
benzfetamine
bibergh
brake-pad
carry over of losses
catalyst-oil suspension
catskill mts.
cauliform
cockbirds
commercial school
compact binary
condition of sales
crimsonness
current document block
cylindroid helical-coil torsion spring
detracin
disaster psychology
domestic excise taxation
DRQ
ductus cuvier
dull coat
elixated
experimental design work
feculite
fibleucin
flak-suppression fire
Flettner rudder
fried ox brain
front windshield
fundamental rights and duties of states
glutaric acid
gynophoric
hair cutting machine for animal
haritalodes taiwanalis
hazard reduction burn
horizontal zone melting
Huddie Leadbetter
hurus
Hydrodiuretex
in a dead hand
insulating head
irriguate
laevogyrous
lean into
Leiranger
lhb
Loop Hd.
midoccipital
miniplug
mutton-fat jade
neoperla sauteri
non-opening side light
nonresident simulator computer system
parastriate area
parathyropathy
partitioning strategies
pedee
pendulum theory
Phyllanthodendron orbicularifolium
place of assembly
postdental
pregavel to postgavel,pre-gavel to post-gavel
profess
requisitioning of foods
resolve
resource partitioning
rigid coaxial cable
scorpion fish
semicontinuous vacuum resistance furnace
semifinished nut
seperate teacher
serializes
sheet molding compound (smc)
shell-and-plate heat exchanger
sheriam
shut-down
Sonneratia paracaseolaris
sooks
Squirrel R.
string theoretic
sub-sector
superimposed carrier circuit
supply-voltage sensitivity
surface geothermometer
Tell us another!
test pins
titriscope
toll incoming trunk
torulus
trader
tv encoder
underground power supply system
viticulture
weekwams
withdrawal method
zero-level symbol